718000640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:522

約数の個数: 160

約数和(自身を含む): 1991658240

約数和(自身を除く): 1273657600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 103, 112, 128, 140, 160, 206, 224, 256, 280, 320, 389, 412, 448, 512, 515, 560, 640, 721, 778, 824, 896, 1030, 1120, 1280, 1442, 1556, 1648, 1792, 1945, 2060, 2240, 2560, 2723, 2884, 3112, 3296, 3584, 3605, 3890, 4120, 4480, 5446, 5768, 6224, 6592, 7210, 7780, 8240, 8960, 10892, 11536, 12448, 13184, 13615, 14420, 15560, 16480, 17920, 21784, 23072, 24896, 26368, 27230, 28840, 31120, 32960, 40067, 43568, 46144, 49792, 52736, 54460, 57680, 62240, 65920, 80134, 87136, 92288, 99584, 108920, 115360, 124480, 131840, 160268, 174272, 184576, 199168, 200335, 217840, 230720, 248960, 263680, 280469, 320536, 348544, 369152, 400670, 435680, 461440, 497920, 560938, 641072, 697088, 801340, 871360, 922880, 995840, 1121876, 1282144, 1394176, 1402345, 1602680, 1742720, 1845760, 2243752, 2564288, 2804690, 3205360, 3485440, 4487504, 5128576, 5609380, 6410720, 6970880, 8975008, 10257152, 11218760, 12821440, 17950016, 20514304, 22437520, 25642880, 35900032, 44875040, 51285760, 71800064, 89750080, 102571520, 143600128, 179500160, 359000320, 718000640]

約数ペア:

[(1, 718000640), (2, 359000320), (4, 179500160), (5, 143600128), (7, 102571520), (8, 89750080), (10, 71800064), (14, 51285760), (16, 44875040), (20, 35900032), (28, 25642880), (32, 22437520), (35, 20514304), (40, 17950016), (56, 12821440), (64, 11218760), (70, 10257152), (80, 8975008), (103, 6970880), (112, 6410720), (128, 5609380), (140, 5128576), (160, 4487504), (206, 3485440), (224, 3205360), (256, 2804690), (280, 2564288), (320, 2243752), (389, 1845760), (412, 1742720), (448, 1602680), (512, 1402345), (515, 1394176), (560, 1282144), (640, 1121876), (721, 995840), (778, 922880), (824, 871360), (896, 801340), (1030, 697088), (1120, 641072), (1280, 560938), (1442, 497920), (1556, 461440), (1648, 435680), (1792, 400670), (1945, 369152), (2060, 348544), (2240, 320536), (2560, 280469), (2723, 263680), (2884, 248960), (3112, 230720), (3296, 217840), (3584, 200335), (3605, 199168), (3890, 184576), (4120, 174272), (4480, 160268), (5446, 131840), (5768, 124480), (6224, 115360), (6592, 108920), (7210, 99584), (7780, 92288), (8240, 87136), (8960, 80134), (10892, 65920), (11536, 62240), (12448, 57680), (13184, 54460), (13615, 52736), (14420, 49792), (15560, 46144), (16480, 43568), (17920, 40067), (21784, 32960), (23072, 31120), (24896, 28840), (26368, 27230)]